MOS65XX: Add architecture to main readme and add name to contributors

Signed-off-by: Sebastian Macke <sebastian@macke.de>
diff --git a/CREDITS.TXT b/CREDITS.TXT
index f2581f3..074212c 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -77,3 +77,4 @@
 Wolfgang Schwotzer: M680X architecture.
 Philippe Antoine: Integration with oss-fuzz and various fixes.
 Stephen Eckels (stevemk14ebr): x86 encoding features
+Sebastian Macke: MOS65XX architecture
diff --git a/HACK.TXT b/HACK.TXT
index e641c68..d5a1c75 100644
--- a/HACK.TXT
+++ b/HACK.TXT
@@ -8,6 +8,7 @@
 │   ├── M680X       <- M680X engine
 │   ├── M68K        <- M68K engine
 │   ├── Mips        <- Mips engine
+│   ├── MOS65XX     <- MOS65XX engine
 │   ├── PowerPC     <- PowerPC engine
 │   ├── Sparc       <- Sparc engine
 │   ├── SystemZ     <- SystemZ engine
diff --git a/README.md b/README.md
index b22edad..0f9d0bc 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 Capstone offers some unparalleled features:
 
 - Support multiple hardware architectures: ARM, ARM64 (ARMv8), Ethereum VM, M68K,
-  Mips, PPC, Sparc, SystemZ, TMS320C64X, M680X, XCore and X86 (including X86_64).
+  Mips, MOS65XX, PPC, Sparc, SystemZ, TMS320C64X, M680X, XCore and X86 (including X86_64).
 
 - Having clean/simple/lightweight/intuitive architecture-neutral API.